an aggressive mitt romney criticized president barack obama's record saying big government is not working. mitt romney says the middle- class cannot afford four more years under obama. >> the people having a hard time right now are middle income americans. they are buried, they are just being crushed. >> president barack obama defended his achievements and challenged his plans saying there are not any details. >> at some point, people have to ask themselves, is the reason governor mitt romney keeping all these plans secret because they are too good? >> that he had hard time driving the debate and another comment by mitt romney has public television supporters upset. >> i'm sorry, jim, i am going to stop pbs, i like big bird and i like you too but i am not going to keep spending money on things borrow money from china. >> it is all about big bird. and coming up, we are doing some big facts where the two men actually clash. >>> a lot of people gathered at watch parties and supporters of president barack obama gathered in walnut creek and two miles away mitt romney supporters were at the rep